Zizou Bergs (; born 3 June 1999) is a Belgian professional tennis player. He has a career-high ATP singles ranking of world No. 33 achieved on 10 August 2026 and a best doubles ranking of No. 265, reached on 27 November 2023. He is the current No. 2 Belgian player in men's singles.
Bergs has won one ATP Tour singles title at the 2026 Eastbourne Open.
Early life Bergs was born in Lommel, Belgium, to parents Koen Bergs and Anne-Mie Driesen. His father is the senior executive of a train company in Belgium and his mother is a photographer. He has a brother, Maxim. Bergs' parents named him Zizou after French football player Zinedine Zidane, who had this nickname. He started taking tennis lessons in his early childhood at age 3.Bergs bio
Career
2020: ATP Tour debut and first win Bergs made his ATP main draw debut as a wildcard at the 2020 European Open. In the first round, he recorded his first ATP victory by defeating Albert Ramos Viñolas in straight sets, before pushing world No. 17 Karen Khachanov to three sets in the second round.
2021: Three ATP Challenger titles, top 200 debut In March 2021, Bergs won his first Challenger title at Saint Petersburg. Later that month, he won his second Challenger title at Lille. In June, he won his third Challenger title at Almaty.
After defeating fellow qualifier Oscar Otte in the first round of the Swiss Open Gstaad, he reached the top 200 at World No. 196 on 26 July 2021. In October, he again received a wildcard into the European Open, but lost in the first round to Lloyd Harris.
2022: Major & top 150 debuts, Challenger title, Bergs reached his first final of the season at the Saint-Brieuc Challenger, losing to Jack Draper. In May, he reached his second Challenger final of the season at the Saturn Oil Open in Troisdorf, Germany, where he lost to Lukáš Klein.
Ranked No. 207, he won the Ilkley Trophy as a qualifier, defeating lucky loser Alexei Popyrin in the semifinals and Jack Sock in the final. As a result, he received a wildcard into Wimbledon, where he made his Grand Slam debut. He also climbed more than 60 positions up the rankings to a new career-high of world No. 146 on 20 June 2022.
2023: United Cup, Masters & top 125 debuts
At the inaugural 2023 United Cup, Bergs lost his two singles matches against Bulgarian Dimitar Kuzmanov and Greek Stefanos Sakellaridis. He then qualified for the main draw at the Australian Open, defeating another Bulgarian, Adrian Andreev, but lost in the first round to Laslo Djere.
The Belgian received a wildcard for the Miami Open, but lost in the first round to lucky loser Thanasi Kokkinakis. He entered the U.S. Men's Clay Court Championships as a lucky loser directly into the second round, but lost to Cristian Garín. As the defending champion, he entered the Ilkley Trophy Challenger, but lost to Denis Kudla in the second round.
Bergs missed several months playing on the ATP Tour, due to a torn ligament in his left wrist, but returned in September at the Chengdu Open as a wildcard. In October, he received a wildcard in doubles for the European Open in Antwerp, alongside compatriot Tibo Colson. In November, at the Calgary Challenger, he reached the quarterfinals and won his sixth Challenger title in Drummondville, and in December, his seventh in Yokkaichi.
2024: French Open debut, top 65
In April, Bergs won his first match of the season on the ATP Tour in Houston, defeating qualifier Patrick Kypson in the first round, before losing to top seed and eventual champion Ben Shelton in the second round. Bergs then reached back-to-back finals on the ATP Challenger Tour, in Sarasota where he lost to Thanasi Kokkinakis and in Tallahassee where he defended his title and defeated Mitchell Krueger to win his eighth Challenger title.
Bergs received a wildcard for the main draw at the Madrid Open, where he made his debut but lost in the first round to Luca Van Assche. In May, Bergs qualified for the main draw of the Italian Open, where he lost to Rafael Nadal in the first round. Ranked No. 102, Bergs made his French Open debut after qualifying for the main draw. He upset 24th seed Alejandro Tabilo for his first win at a Major and defeated Maximilian Marterer to reach the third round of a Major for the first time where he lost to 10th seed Grigor Dimitrov. As a result, he reached the top 85 in the rankings on 10 June 2024.
In the beginning of the grass court season he entered the main draw of the Rosmalen Open as a lucky loser and defeated local wildcard Tim van Rijthoven, before losing to top seed Alex de Minaur in the second round. He also entered the main draw at the Wimbledon after qualifying but lost to Arthur Cazaux in five sets with a super tiebreaker in the fifth. As a result, he reached the top 75 in the singles rankings on 15 July 2024.
At the US Open, Bergs also played a first round match with a super tiebreaker in the fifth, but won it this time defeating Pavel Kotov. He lost his next match against 31st seed Flavio Cobolli. In October, Bergs reached the quarterfinals at the European Open in Antwerp with wins over Facundo Díaz Acosta and fourth seed Sebastián Báez, before his run was ended by eighth seed Marcos Giron. The following month, ranked No. 61, Bergs also made it through to the quarterfinals at the Moselle Open, defeating lucky loser Manuel Guinard and Hugo Gaston. Bergs lost in the last eight to Cameron Norrie.
2025: ATP finals, top 10 win, Masters quarterfinal, top 50 In January, Bergs reached his maiden ATP Tour final as a qualifier at the 2025 ASB Classic with wins over Pablo Carreño Busta, Francisco Comesaña, Isaac Becroft, Luca Nardi, Roberto Carballés Baena, and seventh seed Nuno Borges. As a result, Bergs reached the top 60 in the rankings on 13 January 2025. He lost to Gaël Monfils in straight sets in the championship match.
In February, Bergs reached his second career semifinal at the Open 13 in Marseille, with wins over eight seed Nuno Borges and Zhizhen Zhang by retirement. In March, at the 2025 Miami Open, Bergs reached the third round recording his first top 10 win over eight seed Andrey Rublev. As a result, he reached the top 50 on 31 March 2025.
In June, Bergs reached his second career ATP final at the 2025 Libéma Open in 's-Hertogenbosch with a win over Mark Lajal in the quarterfinal, and Reilly Opelka in the semifinal. He lost to Gabriel Diallo in the final.
In September, Bergs reached the third round of the US Open after the withdrawal of Jack Draper, where he lost to Jaume Munar in straight sets. At the 2025 Rolex Shanghai Masters he reached his first Masters-level quarterfinal defeating Gabriel Diallo and reached the top 40 on 13 October 2025.
2026: First Belgian ATP Tour grass champion Bergs defeated Ugo Humbert in the final of the 2026 Eastbourne Open to lift his first ATP Tour title. Bergs became the first Belgian player to win an ATP Tour title on grass.
National representation In the 2025 Davis Cup qualifiers tie against Chile, Bergs struck his opponent Cristian Garín with his shoulder while celebrating a point, with Garín grasping at his right eye and collapsing to the ground. Bergs was given a warning for unsportsmanlike conduct. According to the Chilean team doctor, Garín was in no condition to continue playing. However, the independent tournament doctor cleared Garín to continue. As Garín did not return to court, umpire Carlos Ramos gave him three consecutive time violations, thus ending the match. In a news conference, umpire Ramos said "I consider it was a very unfortunate accident between two players — caused unfortunately by a player without any intention". After the match, the Chile Tennis Federation officially requested to the International Tennis Federation a reversal of the match result, a rescheduling of the decisive fifth match to a later date and an automatic wildcard entry into the Davis Cup Finals, as well as an internal revision of umpire Ramos actions and decisions.
Performance timeline
Singles Current through the 2026 Wimbledon Championships.
Tournament202120222023202420252026 SRW–LWin %Grand Slam tournamentsAustralian OpenAQ11R1R1R1R0 / 40–4French OpenAQ1Q23R1R1R0 / 32–3WimbledonA1RQ21R1R3R0 / 42–4US OpenQ2Q3Q12R3R0 / 22–2Win–loss0–00–10–13–41–42–30 / 136–13ATP Tour Masters 1000Indian Wells MastersAAAA2R2R0 / 22–2Miami OpenAA1RQ23R2R0 / 33–3Monte-Carlo MastersAAAAQ13R0 / 12–1Madrid OpenAAA1R1R1R0 / 30–3Italian OpenAAA1RA1R0 / 20–2Canadian OpenAAAA1R0 / 10–1Cincinnati MastersAAAQ12R0 / 11–1Shanghai MastersNHA2RQF 0 / 25–2Paris MastersAAA2R2R0 / 22–2Win–loss0–00–00–12–49–74–50 / 1715–17
ATP Tour finals
Singles: 3 (1 title, 2 runner-ups) LegendGrand Slam (–)ATP 1000 (–)ATP 500 (–)ATP 250 (1–2)Finals by surfaceHard (0–1)Clay (–)Grass (1–1)Finals by settingOutdoor (1–2)Indoor (–)
ResultW–LDateTournamentTierSurfaceOpponentScoreLoss0–1Auckland Open, New ZealandATP 250Hard Gaël Monfils3–6, 4–6Loss0–2Libéma Open, NetherlandsATP 250Grass Gabriel Diallo5–7, 6–7(8–10)Win1–2Eastbourne Open, UKATP 250Grass Ugo Humbert3–6, 6–1, 6–4
Doubles: 1 (runner-up) LegendGrand Slam (–)ATP 1000 (–)ATP 500 (–)ATP 250 (0–1)Finals by surfaceHard (–)Clay (–)Grass (0–1)Finals by settingOutdoor (0–1)Indoor (–)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss0–1Libéma Open, NetherlandsATP 250Grass Arthur Rinderknech Sander Arends David Pel6–7(6–8), 6–7(5–7)
ATP Challenger Tour finals
Singles: 13 (8 titles, 5 runner-ups)
Finals by surfaceHard (4–2)Clay (3–3)Grass (1–0)
ResultW–LDateTournamentSurfaceOpponentScoreWin1–0St. Petersburg Challenger, RussiaHard (i) Altuğ Çelikbilek6–4, 3–6, 6–4Win2–0Play In Challenger, FranceHard (i) Grégoire Barrère4–6, 6–1, 7–6(7–5)Win3–0Almaty Challenger, KazakhstanClay Timofey Skatov4–6, 6–3, 6–2Loss3–1Open Saint-Brieuc, FranceHard (i) Jack Draper2–6, 7–5, 4–6Loss3–2Saturn Oil Open, GermanyClay Lukáš Klein2–6, 4–6Win4–2Ilkley Trophy, UKGrass Jack Sock7–6(9–7), 2–6, 7–6(8–6)Loss4–3Rafa Nadal Open, SpainHard Luca Nardi 6–7(2–7), 6–3, 5–7Win5–3Tallahassee Tennis Challenger, USClay (green) Wu Tung-lin7–5, 6–2Win6–3Challenger Nationale de Drummondville, CanadaHard (i) James Duckworth6–4, 7–5Win7–3Yokkaichi Challenger, JapanHard Michael Mmoh6–2, 7–6(7–2)Loss7–4Sarasota Open, USClay (green) Thanasi Kokkinakis3–6, 6–1, 0–6Win8–4Tallahassee Tennis Challenger, US (2)Clay (green) Mitchell Krueger6–4, 7–6(11–9)Loss8–5Open Aix Provence, FranceClay Alejandro Tabilo4–6, 6–4, 3–6
Doubles: 1 (title)
ResultW–LDateTournamentSurfacePartnerOpponentsScoreWin1–0Challenger Città di Lugano, SwitzerlandHard (i) David Pel Constantin Frantzen Hendrik Jebens6–2, 7–6(8–6)
ITF Tour finals
Singles: 8 (4 titles, 4 runner-ups)
Finals by surfaceHard (3–2)Clay (1–2)
ResultW–LDateTournamentSurfaceOpponentScoreWin1–0Turkey F2, AntalyaHard Dimitar Kuzmanov6–3, 6–4Win2–0Poland F1, WisłaClay Michael Vrbenský3–6, 6–1, 6–2Loss2–1Belgium F2, ArlonClay Juan Pablo Varillas6–7(6–8), 6–4, 1–6Loss2–2Belgium F5, DuinbergenClay Jeroen Vanneste6–7(2–7), 3–6Win3–2M15 Doha, QatarHard Adrian Obert6–4, 6–1Loss3–3M15 Monastir, TunisiaHard Nuno Borges4–6, 6–7(6–8)Loss3–4M15 Heraklion, GreeceHard Clement Geens6–3, 4–6, 1–6Win4–4M15 Bratislava, SlovakiaHard (i) Bogdan Bobrov6–4, 6–2
Doubles: 8 (4 titles, 4 runner-ups)
Finals by surfaceHard (3–2)Clay (1–2)